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Spatial variability of damage and expected maintenance costs for deteriorating RC structures

机译：RC结构不断恶化的破坏空间变异性和预期维护成本

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The paper develops a technique to predict life-cycle costs, using probabilistic information about the likelihood and extent of corrosion-induced cracking to reinforced concrete (RC) structures. The present paper focuses on the likelihood and extent of severe cracking as the criterion for the timing and cost of maintenance. The life-cycle cost and expected maintenance cost considers multiple repairs and various inspection intervals over the service life of the structural element. A repair cost function is also developed. Two common maintenance strategies are considered: repair and rehabilitation. It was found that for a 2% discount rate the benefits of delaying the timing of repairs outweigh the cost of increased extent of damage, for maintenance of a RC bridge deck.
机译：本文使用有关钢筋混凝土结构（RC）腐蚀诱发裂缝的可能性和程度的概率信息，开发了一种预测寿命周期成本的技术。本文将重点放在严重破裂的可能性和程度上，作为维护时间和维护成本的标准。生命周期成本和预期维护成本考虑了结构元件使用寿命内的多次维修和各种检查间隔。还开发了维修成本功能。考虑了两种常见的维护策略：维修和修复。人们发现，对于RC桥面板而言，以2％的折现率，延迟维修时间所带来的好处要大于增加损坏程度的代价。

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